Raj applied a force of 20 N and moved a ...

Raj applied a force of 20 N and moved a book 40 cm in the direction of the force. How much was the work done by Raj?

Topper's Solved these Questions

WORK AND ENERGY
CHETANA PUBLICATION|Exercise EXERCISE|20 Videos
Study of Sound
CHETANA PUBLICATION|Exercise EXERCISE|26 Videos

Similar Questions

Explore conceptually related problems

Ravi applied a force of 10 N and moved a book 30 cm in the direction of the force. How much was the work done by Ravi ?

Solve the following examples: Ravi applied a force of 10 N and moved a book 30 cm in the direction of the force. How much was the work done by Ravi?

Megha applied a force of 50 N to move a stool from one comer of a 10 m long room to other. Calculate the work done by Megha.

Solve the following examples: A force of 20 N acts on a body. If the displacement of the body is 0.6 m in the direction opposite to that of the force, calculate the work done by the force.

Calculate the work done when a force of 60 N displaces a body through 10 m in the direction of the force.

If the displacement is not in the direction of the applied force, how do we calculate the amount of work done?

When a force of 30 N acts on a body, the body is displaced by 10 m in the direction inclined at 60^@ to the force. Find the work done by the force.

You have learnt how to calculate the work done on an object when the displacement is in the direction of the applied force. But if the displacement is not in the direction of the applied force, how do we calculate the amount of work done

Pravin has applied a force of 100 N on an object, at an angle of 60° to the horizontal. The object gets displaced in the horizontal direction and 400 J work is done. What is the displacement of the object?

Choose the correct options A block of wood moves a distance 5 cm along a straight line under the action of force of 2.5 dyne. If the work done is 6.25 erge, the angle which the force makes with the direction of motion of the body is.

CHETANA PUBLICATION-WORK AND ENERGY-EXERCISE

Raj applied a force of 20 N and moved a book 40 cm in the direction of...
Text Solution
|
Forces are of …..…… types
Text Solution
|
Fill in the blanks with appropriate words and writw the completed stat...
Text Solution
|
S.I. unit of energy is….
Text Solution
|
…………..is the capacity to do work.
Text Solution
|
Name the following SI unit of energy
Text Solution
|
Name the following The relationship between 1 joule and 1erg .
Text Solution
|
State whether the following statements are true or false: Power is a ...
Text Solution
|
State whtether the following statement are true or false. Water stored...
Text Solution
|
Wind can move the blades of a windmill
Text Solution
|
A stretched rubber band when released regainsits original length
Text Solution
|
An exploding fire cracker lights as well as makes a sound.
Text Solution
|
Solve the following examples: Ravi applied a force of 10 N and moved ...
Text Solution
|
500 kg water isstored in the overhead tank of a 10 m high building.Cal...
Text Solution
|
1 kg mass has a kinetic energy of 2 joule. Calculate its velocity
Text Solution
|
Derive an expression for potential energy.
Text Solution
|
A 25 W electric bulb is used for 10 hours every day. How much electric...
Text Solution
|
If a TV of rating 100 W is operated for 6 hrs per day,find the number ...
Text Solution
|
Solve the following examples: If a 1200 W electric iron is used daily...
Text Solution
|
Answer the following questions: Derive the formula for the kinetic en...
Text Solution
|
State the expression for work done when displacement and force makes a...
Text Solution
|